Multi domain liquid crystal display

Abstract

A liquid crystal display includes a first insulating substrate with a top surface and a bottom surface. A pixel electrode is formed on the top surface of the first insulating substrate. The pixel electrode has a first opening pattern at each pixel area. The pixel electrode with the first opening pattern is substantially rectangular in shape with a first long side and a second long side, and a first short side and a second short side. The pixel electrode is divided into an upper region defined by the first long side and the second long side and the first short side, and a lower region defined by the first long side and the second long side and the second short side. A second insulating substrate with a top surface and a bottom surface is arranged parallel to the first insulating substrate at a predetermined distance from the same such that the bottom surface of the second insulating substrate faces the top surface of the first insulating substrate. A common electrode is formed on the bottom surface of the second insulating substrate. The common electrode has a second opening pattern at each pixel area, which correspond to each pixel area of the pixel electrode. A liquid crystal layer is sandwiched between the first substrate and the second substrate while contacting the pixel electrode and the common electrode. The first opening pattern and the second opening pattern each have a plurality of openings, the openings of the first opening pattern and the second opening pattern being alternately arranged parallel to each other.

1. A liquid crystal display, comprising:
 a first substrate having a top surface and a bottom surface;  
 a pixel electrode formed on the top surface of the first substrate and divided into a plurality of portions;  
 a second substrate having a top surface and a bottom surface;  
 a common electrode formed on the bottom surface of the second substrate;  
 a first domain forming element formed on the bottom surface of the second substrate and formed corresponding to a center of each portion of the pixel electrode; and  
 a liquid crystal layer sandwiched between the top surface of the first substrate and the bottom surface of the second substrate.  
 
   
   
     2. The liquid crystal display of  claim 1 , further comprising a second domain forming element formed on the bottom surface of the second substrate and surrounding the pixel electrode. 
   
   
     3. The liquid crystal display of  claim 1 , further comprising:
 a first polarizer film formed on the bottom surface of the first substrate; and  
 a second polarizer film formed on the top surface of the second substrate,  
 wherein the first polarizer film and the second polarizer film polarize either in a longitudinal direction and a direction perpendicular to the longitudinal direction, respectively, or the direction perpendicular to the longitudinal direction and the longitudinal direction, respectively.  
 
   
   
     4. The liquid crystal display of  claim 3 , further comprising a first compensation film attached between one of the first and second substrates and one of the first polarizer film and the second polarizer film attached thereto. 
   
   
     5. The liquid crystal display of  claim 4 , wherein the first compensation film is a biaxial compensation film. 
   
   
     6. The liquid crystal display of  claim 5 , wherein a slow axis of the first compensation film is parallel or perpendicular to the polarizing directions of the first polarizer film and the second polarizer film. 
   
   
     7. The liquid crystal display of  claim 4 , further comprising a second compensation film attached between the other one of the first substrate and the second substrate and the other one of the first polarizer film and the second polarizer film attached thereto. 
   
   
     8. The liquid crystal display of  claim 7 , wherein the first compensation film and the second compensation film are an a-plate compensation film and a c-plate compensation film, respectively. 
   
   
     9. The liquid crystal display of  claim 8 , wherein a slow axis of the a-plate compensation film is in parallel or perpendicular to the polarizing directions of the first polarizer film and the second polarizer film. 
   
   
     10. The liquid crystal display of  claim 1 , wherein the first domain forming element is a protrusion or an aperture. 
   
   
     11. The liquid crystal display of  claim 2 , wherein the second domain forming element is a protrusion or an aperture. 
   
   
     12. A liquid crystal display, comprising:
 a first substrate having a top surface and a bottom surface;  
 a pixel electrode formed on the top surface of the first substrate and divided into a plurality of portions;  
 a second substrate having a top surface and a bottom surface;  
 a common electrode formed on the bottom surface of the second substrate;  
 a first protrusion formed on the bottom surface of the second substrate and formed corresponding to a center of each portion of the pixel electrode; and  
 a liquid crystal layer sandwiched between the top surface of the first substrate and the bottom surface of the second substrate.  
 
   
   
     13. The liquid crystal display of  claim 12 , further comprising a second protrusion formed on the bottom surface of the second substrate and surrounding the pixel electrode. 
   
   
     14. The liquid crystal display of  claim 12 , further comprising:
 a first polarizer film formed on the bottom surface of the first substrate; and  
 a second polarizer film formed on the top surface of the second substrate,  
 wherein the first polarizer film and the second polarizer film polarize either in a longitudinal direction and a direction perpendicular to the longitudinal direction, respectively, or the direction perpendicular to the longitudinal direction and the longitudinal direction, respectively.  
 
   
   
     15. The liquid crystal display of  claim 14 , further comprising a first compensation film attached between one of the first and second substrates and one of the first polarizer film and the second polarizer film attached thereto. 
   
   
     16. The liquid crystal display of  claim 15 , wherein the first compensation film is a biaxial compensation film. 
   
   
     17. The liquid crystal display of  claim 16 , wherein a slow axis of the first compensation film is parallel or perpendicular to the polarizing directions of the first polarizer film and the second polarizer film. 
   
   
     18. The liquid crystal display of  claim 15 , further comprising a second compensation film attached between the other one of the first substrate and the second substrate and the other one of the first polarizer film and the second polarizer film attached thereto. 
   
   
     19. The liquid crystal display of  claim 18 , wherein the first compensation film and the second compensation film are an a-plate compensation film and a c-plate compensation film, respectively. 
   
   
     20. The liquid crystal display of  claim 19 , wherein a slow axis of the a-plate compensation film is in parallel or perpendicular to the polarizing directions of the first polarizer film and the second polarizer film.